Chris Tomlin announced via Twitter that he and his wife, Lauren, welcomed a daughter into the world September 22, 2011. Ashlyn Alexandra Tomlin is the first child for the songwriter.
Irritation of the primary visual cortex (Brodmann's area 17) causes simple elementary visual hallucinations, while irritation of the visual association cortices (Brodmann's areas 18 and 19) causes more complex visual hallucinations.
The cause of migraine with aura isn't clearly understood. It's believed that the migraine with visual aura is like an electrical or chemical wave that moves across the part of your brain that processes visual signals (visual cortex) and causes these visual hallucinations.